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Alpha-Terpinene Cas 99-86-5

terpinenes, also known as terpene compounds, are a general term for a group of monoterpenoids that are isomers of each other. At normal temperature and pressure, they are all colorless liquids with a rosin smell. Their chemical formulas are all C10H16, and their carbon skeleton structures are the same, but the positions of the carbon-carbon double bonds are different
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  • 99-86-5

  • bosschemical

  • 99-86-5

           alpha-Terpinene Basic information
Product Name: alpha-Terpinene
CAS: 99-86-5
MF: C10H16
MW: 136.23
EINECS: 202-795-1
Mol File: 99-86-5.mol
alpha-Terpinene Chemical Properties
Melting point -59.03°C (estimate)
Boiling point 173-175 °C(lit.)
density 0.837 g/mL at 25 °C(lit.)
vapor pressure 2.22hPa at 25℃
FEMA 3558 | P-MENTHA-1,3-DIENE
refractive index n20/D 1.478(lit.)
Fp 115 °F
storage temp. 2-8°C
solubility 95% ethanol: soluble1ml/2ml, clear, colorless
form Liquid
color Clear colorless to light yellow
Specific Gravity 0.84
Odor at 10.00 % in dipropylene glycol. woody terpene lemon herbal medicinal citrus
Odor Type woody
biological source synthetic
Water Solubility Soluble in ether, alcohol, and ethanol (100 mg/ml). Insoluble in water.
JECFA Number 1339
Merck 149,170
BRN 1853379
Dielectric constant 2.7
Stability: Light Sensitive
LogP 5.3 at 35℃
EPA Substance Registry System 1,3-Cyclohexadiene, 1-methyl-4-(1-methylethyl)- (99-86-5)

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